Generation and Acceleration of High Intensity Beams in the SLC Injector

Abstract
A new gun pulser and substantially increased focusing have been added to the first 100 m of the SLAC linac in order to provide a pair of intense electron bunches to the SLC damping ring. Each bunch from this injector must have 5 x 1010 electrons, an invariant emittance γε ≤ 1.8 x 10-3 m-rad and the pair must have an energy spread of less than 2% . Wakefield instabilities present in earlier versions of this injector 1 have been controlled by reducing the transverse beam dimension by a factor of 3.

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